Sometimes the Hole is an eye the reader can look through, sometimes it is a mouth and the reader's fingers make the teeth! The next minute it is a plate (with food drawn by the reader on a sheet of paper behind the book), an obstacle to jump across or a saucepan. It's crazy! It's a Book with a Hole! Packed full of Tullet's drawings and inventive ideas, this is bound to enchant children of all ages.
Check this out yourself: https://www.youtube.com/watch?v=3NFQndBGQu0